-LRB- CNN -RRB- -- Chris Hoy became Great Britain 's most decorated Olympian of all time after his victory in the men 's keirin took his tally to six gold medals .

Hoy fought off a late charge from Germany 's Maximilian Levy in the final sprint to cross the line first and then confirmed he is `` 99.9 % '' certain never to race in the Olympics again .

The 36-year-old was roared home by a vociferous crowd in the Velodrome to complete a dream Games for Team GB who won seven of the 10 track cycling gold medals on offer .

Earlier in the day Laura Trott added to the gold she won in the women 's team pursuit with triumph in the omnium event , but home crowd favorite Victoria Pendleton was beaten to gold by Australian Anna Meares in the individual sprint .

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`` I 'm in shock , you try and compose yourself but it 's surreal , '' Hoy told the host broadcaster after the race . `` I wanted to win gold in front of my home crowd . I saw everyone stepping up to the plate and thankfully it worked out for me too .

`` The keirin is a lottery and you never take anything for granted in it . I ca n't describe the feelings I have at the moment . This is enough for me , this is the perfect end to my Olympic career .

`` I ca n't put into words what it means to me . It 's one of the greatest feelings I have ever had . I 'm 99.9 % sure I wo n't be competing in Rio -- how can you top this ?

`` Glasgow -LRB- for the 2014 Commonwealth Games -RRB- is another question , as that would be the dream ending for me . ''

Hoy took the lead with two laps to go and though Levy briefly overtook him on the back straight , the Scot responded to power ahead and take the line .

He has now eclipsed the five gold medals won by rower Steve Redgrave to become Britain 's most successful ever Olympian .

Behind Hoy and Levy , New Zealand 's Simon Van Velthooven and Dutchman Teun Mulder could not be split by a photo finish and were both awarded bronze medals .

In the women 's individual sprint final Meares gained revenge for defeat in the same event four years ago , as Pendleton had to settle for silver in her last race before retiring .

But though the Australian won the best of three final 2-0 , it was a race tinged with controversy .

Pendleton thought she had won the first leg by 0.001 of a second , only to be disqualified by the judges for straying out of the sprint lane .

Her coaches argued Meares had nudged into her , forcing the mistake but the decision stood . She was also disqualified from the women 's team sprint on Thursday .

In the second sprint Pendleton went off early but ran out of power as Meares surged past her to add another gold to the one she won in Athens .

It denied Pendleton a fairytale ending to a career in which she won two gold medals , including the women 's keirin at the London Games .

`` I 'm so relieved and overwhelmed with emotion . I would have loved to have won on my final race but I 'm so glad it 's all done and I can move on , '' she said .

`` I think Anna is the best rider of the field and it is the way it should have been , Anna and myself in the final , she 's a fantastic competitor . But I 'm very glad to be saying that 's the last time I 'm going to go through that .

`` I was really annoyed -LRB- at being relegated -RRB- because I 'm sure she touched me and it caused me to move up . I ca n't believe twice in the competition I 've been disqualified and relegated , it 's unheard of . ''

Prior to Pendleton 's farewell race , 20-year-old Laura Trott secured her second gold in her first ever Olympics by winning the multi-discipline women 's omnium event .

She set a new Olympic record in the the 500m time trial event to beat American Sarah Hammer and add to the gold she won in the women 's team pursuit .

`` I ca n't believe this has happened to me , '' she said . `` I 'm peaking at the right time and it 's all thanks to the coaches , and the support of the crowd and my family . ''

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Chris Hoy becomes Britain 's most decorated Olympian after winning sixth gold

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Hoy took top honors in the men 's Keirin to take second gold of London Games

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Australia 's Anna Meares wins gold in the women 's sprint beating Victoria Pendleton

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Laura Trott wins women 's omnium event to give Team GB seven golds out of ten